Finding the Fourth Proportional to 472,570.96, 651,955.08 and 288,713.92
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Solution
The fourth proportional to 472,570.96, 651,955.08 and 288,713.92 is: 398,307.39
Step by Step Solution
- Step 1: Write the proportion equation
472,570.96 : 651,955.08 = 288,713.92 : x - Step 2: Convert to fraction form
472,570.96/651,955.08 = 288,713.92/x - Step 3: Cross multiply
472,570.96x = 651,955.08 × 288,713.92 - Step 4: Simplify right side
472,570.96x = 188,228,506,810.71 - Step 5: Solve for x
x = 188,228,506,810.71/472,570.96 - Step 6: Final answer
x = 398,307.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.